Figure 2
From: Quasi-classical modeling of molecular quantum-dot cellular automata multidriver gates
Four-dot QCA gates. (a) The universal MV gate. The majority of the three fixed inputs, which is “0” in this figure, appears at the output as a result of Coulombic interactions and minimum energetics. (b) The inverter gate. (c) Truth table of the MV gate. When d3 = ”0”, the MV gate performs AND logical operations on d1 and d2, and when d3 = ”1” the MV gate functions as a two-input OR gate [25].